boinc/html/user/weak_auth.php

<?php
// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC.  If not, see <http://www.gnu.org/licenses/>.

require_once("../inc/util.inc");
require_once("../inc/user.inc");

check_get_args(array());

$url = parse_config(get_config(), "<master_url>");

$user = get_logged_in_user();
page_head(tra("Weak account key"));

$weak_auth = weak_auth($user);

// figure out the name of this project's account file.

// strip http://
$idx = strpos($url, '://');
if ($idx) {
    $url = substr($url, $idx+strlen('://'));
}

//convert invalid characters into underscores
for ($i=0; $i<strlen($url); $i++) {
    $c = $url[$i];
    if (!ctype_alnum($c) && $c != '.' && $c != '-' && $c != '_') {
        $url[$i] = '_';
    }
}
//remove trailing underscore(s)
$account_file = "account_" . rtrim($url, '_') . ".xml";

echo "<table><tr><td>",
    tra("Your 'weak account key' lets you link a computer to your account without giving it the ability to log in to your account or to change it in any way."),
    " ",
    tra("This mechanism works only with projects that have upgraded their server software 7 Dec 2007 or later."),
    "<p>",
    tra("Your weak account key for this project is:"),
    "<pre>$weak_auth</pre>",
    "<p>" ,
    tra("To use your weak account key on a given host, find or create the 'account file' for this project. This file has a name of the form <b>account_PROJECT_URL.xml</b>. The account file for %1 is <b>%2</b>.", PROJECT, $account_file),
    "<p>",
    tra("Create this file if needed. Set its contents to:"),
    "<pre>",
    htmlspecialchars(
"<account>
    <master_url>".URL_BASE."</master_url>
    <authenticator>".$weak_auth."</authenticator>
</account>"),
    "</pre>",
    "<p>",
    tra("Your weak account key is a function of your password. If you change your password, your weak account key changes, and your previous weak account key becomes invalid."),
    "</td></tr></table>"
;

page_tail();
?>